While visiting the Smithsonian Institution in Washington, D.C., four contemporary children are transported back in time through the power of their imaginations to experience history firsthand!-- Stories creatively juxtapose modern-day kids with fascinating historical settings and people.-- A historical background note and glossary of key terms enhance every story.-- Audiocassettes feature dramatized narration plus authentic sound effects and original music.-- Toys authenticated by Smithsonian Institution curators for realism and educational value.Emma finds herself escaping from the South with her family along the Underground Railroad.